The Porcine Circovirus Type 1 in Porcine Kidney 15 Cell Line Is Not Transferred to Mice Lymphoid Cells After Xenoimplantation Into the Peritoneal Cavity
Abstract:The porcine circovirus type 1 (PCV1) has been identified within lymphoid tissues of experimental infected pigs and suggested to induce an immunosuppressive stage in pigs. The virus does not induce a cytophatic effect in the pig-derived cell line PK-15. Because PCV1 is prevalent in many pig cells and tissues, the risk of inducing a viral xenozoonosis by PCV1 was raised for the xenoimplantation of pig cells into human hosts. The present work evaluated if PCV1 is able to replicate in mice tissues after xenoimplantation of PCV1-infected pig cells. Active growing PK-15 cells harboring PCV1 with or without microencapsulation in sodium alginate were implanted into the peritoneal cavity of mice. After 1 month postimplantation in mice, peritoneal macrophages, spleen, and lymph nodes were harvested and analyzed with the polymerase chain reaction technique (PCR). No evidence of circovirus type 1 DNA was detected within the mice tissues.
Document Type: Research Article
Publication date: 2010-09-01
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